space velocity

noun

Definition of space velocity

1 : the velocity of a star's motion relative to the sun as determined from its proper motion, distance, and radial velocity

called also space motion

2 : the number of volumes of gas or liquid usually calculated to standard conditions that pass over or through one unit volume (as of a catalyst in a reaction tube) in unit time

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Cite this Entry

“Space velocity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/space%20velocity. Accessed 12 Aug. 2020.

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